Portion of a bottom surface of a shoe outsole



FIG. 1 is a perspective view of a portion of a bottom surface of a shoe outsole showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a profile view taken along the line 3--3 of FIG. 2;

FIG. 4 is a profile view taken along the line 4--4 of FIG. 2;

FIG. 5 is a profile view taken along the line 5--5 of FIG. 2; and,

FIG. 6 is a profile view taken along the line 6--6of FIG. 2.

The broken line showing of a shoe upper and the remaining portion of the shoe sole in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a bottom surface of a shoe outsole, as shown and described. 